Read the docs
TI-2026-04917 Aliases CVE-2026-5609GHSA-26hh-9qh7-grjv

Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00644 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Tendai121.0.0.11(3862)—No fix listedCNA
  • i12 VendorTenda Affected 1.0.0.11(3862) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:i12_firmware:1.0.0.11\(3862\):*:*:*:*:*:*:*1.0.0.11(3862)VulnerableTenda
cpe:2.3:h:tenda:i12:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:i12_firmware:1.0.0.11\(3862\):*:*:*:*:*:*:* Versions 1.0.0.11(3862) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:i12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5609
  2. 2026-10-03 Alias added: GHSA-26hh-9qh7-grjv

References

Exploit 1

Other 1

  • TI-2026-03502 Tenda i12 wifiSSIDget formwrlSSIDget stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03501 Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03500 Tenda i12 exeCommand vos_strcpy stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-20998 Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the ping1… CVSS 3.1HIGH 7.5
  • TI-2026-05128 Tenda i12 HTTP path traversal CVSS 4.0MEDIUM 6.9
  • TI-2025-19090 Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the funcpara1… CVSS 3.1CRITICAL 9.8
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences